Swirl pin



FIG. 1 is a developed side elevational view of a safety pin showing mynew design;

FIG. 2 is a perspective view in open position;

FIG. 3 is a perspective view in closed position;

FIG. 4 is a side perspective view in open position; and

FIG. 5 is a side perspective view in closed position.

The ornamental design for a safety pin, as shown and described. 